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slab: simplify init_kmem_cache_nodes() error handling

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We don't need to call free_kmem_cache_nodes() immediately when failing
to allocate a kmem_cache_node, because when we return 0,
do_kmem_cache_create() calls __kmem_cache_release() which also performs
free_kmem_cache_nodes().

Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Vlastimil Babka 2025-09-03 14:59:44 +02:00
parent 212b0f07cf
commit 9d4e6ab865
1 changed files with 1 additions and 3 deletions
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4
mm/slub.c
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@ -5669,10 +5669,8 @@ static int init_kmem_cache_nodes(struct kmem_cache *s)
n = kmem_cache_alloc_node(kmem_cache_node,
GFP_KERNEL, node);
if (!n) {
free_kmem_cache_nodes(s);
if (!n)
return 0;
}
init_kmem_cache_node(n);
s->node[node] = n;